/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/BaseTools/MultiSelectionMeshEditingTool.h
Called by BuildTool to configure the Tool with the input mesh source(s) based on the SceneState
virtual void InitializeNewTool ( [UMultiSelectionMeshEditingTool](API\Plugins\ModelingComponents\BaseTools\UMultiSelectionMeshEditingTool) * Tool, const [FToolBuilderState](API\Runtime\InteractiveToolsFramework\FToolBuilderState) & SceneState ) const